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Potassium Sodium Tartrate, Tetrahydrate, USP

Product Code: PST3921

Potassium Sodium Tartrate, Tetrahydrate, Granular, USP grade, is alaso known as Seignette’s salt or Rochelle salt. Crystals of this product exhibit piezoelectricity. It is an ingredient of Fehling’s solution, formerly used in the determination of reducing sugars in solutions.
It is a common precipitant in protein crystallography and is also an ingredient in the Biuret reagent which is used to measure protein concentration.